Weight. People who snore
or have obstructive sleep apnea often have a greater amount of fat in their
upper body.

Ears, nose, mouth, and throat, to look for conditions
that might limit your airflow, such as bone deformities or enlarged tissues in
your throat. Enlarged
tonsils and adenoids are common causes of snoring and
obstructive sleep apnea in children.

Neck measurement. People who
have obstructive sleep apnea often have a larger neck than people who do not
have the condition. The risk of apnea increases for men who have a neck
circumference of more than
17 in. (43 cm) and for women
whose necks are larger than
16 in. (41 cm).

Thyroid gland. The thyroid is a
butterfly-shaped gland at the front of the neck. An enlarged thyroid gland may
put pressure on the breathing tube (trachea) or be a sign of abnormal thyroid
functioning. But the thyroid gland rarely affects the
trachea.

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